bonnet demo

Author: ladyada

examples/epd_bonnet.py

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+import digitalio
+import busio
+import board
+
+from PIL import Image
+from PIL import ImageDraw
+from PIL import ImageFont
+from adafruit_epd.epd import Adafruit_EPD
+from adafruit_epd.ssd1675b import Adafruit_SSD1675B  # pylint: disable=unused-import
+
+# create the spi device and pins we will need
+spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
+ecs = digitalio.DigitalInOut(board.D8)
+dc = digitalio.DigitalInOut(board.D22)
+rst = digitalio.DigitalInOut(board.D27)
+busy = digitalio.DigitalInOut(board.D17)
+
+# give them all to our driver
+display = Adafruit_SSD1675B(122, 250, spi,       # 2.13" HD mono display (rev B)
+                            cs_pin=ecs, dc_pin=dc, sramcs_pin=None,
+                            rst_pin=rst, busy_pin=busy)
+display.rotation = 1
+
+# Create blank image for drawing.
+# Make sure to create image with mode '1' for 1-bit color.
+width = display.width
+height = display.height
+image = Image.new('RGB', (width, height))
+
+WHITE = (0xFF, 0xFF, 0xFF)
+BLACK = (0x00, 0x00, 0x00)
+
+# clear the buffer
+display.fill(Adafruit_EPD.WHITE)
+
+# Get drawing object to draw on image.
+draw = ImageDraw.Draw(image)
+# empty it
+draw.rectangle((0, 0, width, height), fill=WHITE)
+
+# Draw an outline box
+draw.rectangle((1, 1, width-2, height-2), outline=BLACK, fill=WHITE)
+# Draw some shapes.
+# First define some constants to allow easy resizing of shapes.
+padding = 5
+shape_width = 30
+top = padding
+bottom = height-padding
+# Move left to right keeping track of the current x position for drawing shapes.
+x = padding
+# Draw an ellipse.
+draw.ellipse((x, top , x+shape_width, bottom), outline=BLACK, fill=WHITE)
+x += shape_width+padding
+# Draw a rectangle.
+draw.rectangle((x, top, x+shape_width, bottom), outline=WHITE, fill=BLACK)
+x += shape_width+padding
+# Draw a triangle.
+draw.polygon([(x, bottom), (x+shape_width/2, top), (x+shape_width, bottom)],
+             outline=BLACK, fill=WHITE)
+x += shape_width+padding
+# Draw an X.
+draw.line((x, bottom, x+shape_width, top), fill=BLACK)
+draw.line((x, top, x+shape_width, bottom), fill=BLACK)
+x += shape_width+padding
+
+# Load default font.
+font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', 20)
+
+# Alternatively load a TTF font.  Make sure the .ttf font
+# file is in the same directory as the python script!
+# Some other nice fonts to try: http://www.dafont.com/bitmap.php
+#font = ImageFont.truetype('Minecraftia.ttf', 8)
+
+# Write two lines of text.
+draw.text((x, top),    'Hello',  font=font, fill=BLACK)
+draw.text((x, top+20), 'World!', font=font, fill=BLACK)
+# Display image.
+display.image(image)
+
+display.display()